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juce::ComponentTraverser Class Referenceabstract

#include <juce_ComponentTraverser.h>

Inheritance diagram for juce::ComponentTraverser:
juce::FocusTraverser juce::KeyboardFocusTraverser juce::LabelKeyboardFocusTraverser

Public Member Functions

virtual ~ComponentTraverser ()=default
virtual ComponentgetDefaultComponent (Component *parentComponent)=0
virtual ComponentgetNextComponent (Component *current)=0
virtual ComponentgetPreviousComponent (Component *current)=0
virtual std::vector< Component * > getAllComponents (Component *parentComponent)=0

Detailed Description

Base class for traversing components.

If you need custom focus or keyboard focus traversal for a component you can create a subclass of ComponentTraverser and return it from Component::createFocusTraverser() or Component::createKeyboardFocusTraverser().

See also
Component::createFocusTraverser, Component::createKeyboardFocusTraverser

@tags{GUI}

Constructor & Destructor Documentation

◆ ~ComponentTraverser()

virtual juce::ComponentTraverser::~ComponentTraverser ( )
virtualdefault

Destructor.

Member Function Documentation

◆ getAllComponents()

virtual std::vector< Component * > juce::ComponentTraverser::getAllComponents ( Component * parentComponent)
pure virtual

Returns all of the traversable components within the given parent component in traversal order.

Implemented in juce::FocusTraverser, juce::KeyboardFocusTraverser, and juce::LabelKeyboardFocusTraverser.

◆ getDefaultComponent()

virtual Component * juce::ComponentTraverser::getDefaultComponent ( Component * parentComponent)
pure virtual

Returns the component that should be used as the traversal entry point within the given parent component.

This must return nullptr if there is no default component.

Implemented in juce::FocusTraverser, juce::KeyboardFocusTraverser, and juce::LabelKeyboardFocusTraverser.

◆ getNextComponent()

virtual Component * juce::ComponentTraverser::getNextComponent ( Component * current)
pure virtual

Returns the component that comes after the specified one when moving "forwards".

This must return nullptr if there is no next component.

Implemented in juce::FocusTraverser, juce::KeyboardFocusTraverser, and juce::LabelKeyboardFocusTraverser.

◆ getPreviousComponent()

virtual Component * juce::ComponentTraverser::getPreviousComponent ( Component * current)
pure virtual

Returns the component that comes after the specified one when moving "backwards".

This must return nullptr if there is no previous component.

Implemented in juce::FocusTraverser, juce::KeyboardFocusTraverser, and juce::LabelKeyboardFocusTraverser.


The documentation for this class was generated from the following file: